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Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This project examines whether people's taste perception is influenced by what they see.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Construct batteries that make electricity from fruits with this fun science fair project.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.